Pieces and Parts

Recording by John Mayall & The Bluesbreakers.

Recording identifiers

ISRC
GBCBR0200042
CopyrightID (CopyrightChains transaction hash)
0x90a01d02d1408499adf504a01daeedf881300c3d1d9594534047e0173c5a4e9b
Copyright registration time
2026-06-27T05:40:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:17e2338cd7ec38adcd86f8c5e10ef486726353dbd1e85e2078b22af8be840e16

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.